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PDF SP1085 Data sheet ( Hoja de datos )
| Número de pieza | SP1085 | |
| Descripción | 3A Low Dropout Linear Regulator | |
| Fabricantes | Sipex Corporation | |
| Logotipo |  |
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SP1085
TM
3A Low Dropout Linear Regulator
features
g Low Dropout Voltage: Typical 1.3V at 3A
g Current Limiting and Thermal Protection
g Output Current: 3A
g Current Limit: 4.5A
g Operating Junction Temperature: 0 to 125oC
g Line Regulation: 0.015% (Typical)
g Load Regulation: 0.1% (Typical)
g Available in RoHS Compliant, Lead Free
Packaging
TO-220
3
2
1
INPUT
OUTPUT
ADJ/GND
Applications
g High Efficiency Linear Regulators
g Battery Charger
g Post Regulation for Switching Supplies
g Microprocessor Supply
g Mother Board Power Supplies
g DVD - Video Player
g Telecom Equipment
g Set Top Boxes and Web Box Modular Supplies
general Description
The SP1085 is a series of low dropout positive voltage regulators with a maximum dropout of 1.5V at 3A of load
current. The series features on-chip thermal shutdown. It also includes a bandgap reference and a current limiting circuit.
The SP1085 is available in 1.5V, 1.8V, 2.5V, 2.85V, 3.3V, 5.0V and adjustable versions. The fixed versions integrate
the adjust resistors. The adjustable version can set the output voltage with two external resistors. The SP1085 series is
available in standard packages of TO-263-3L, TO-220 and TO-252.
TO-263-3L
TO-252
TO-220
Figure . Package Types of SP085
Date: 7/24/06 Rev H
SP1085 3A Low Dropout Linear Regulator
© 2006 Sipex Corporation
1 page  
electrical characteristics (continued)
Typicals and limits appearing in normal type apply for TJ = 25oC. Limits appearing in Boldface type apply over
the entire operating junction temperature range 0 to 125oC.
Parameter
Load Regulation
Dropout Voltage
Current Limit
Minimum Load Current
Quiescent Current
Ripple Rejection
Adjust Pin Current
Adjust Pin Current
Change
Long Term Stability
Temperature Stability
RMS Noise
(% of VOUT)
Thermal Resistance
Junction-to-Case
Symbol Conditions
SP1085-5.0,
IOUT = 10mA,
6.6V d VIN d 10V
SP1085-ADJ,
0mA d IOUT d 3A,
VIN - VOUT = 3V
SP1085-1.5,
0mA d IOUT d 3A,
VIN - VOUT = 3V
SP1085-1.8,
0mA d IOUT d 3A,
VIN - VOUT = 3V
'VOUT SP1085-2.5,
0mA d IOUT d 3A,
VIN - VOUT = 3V
SP1085-2.85,
0mA d IOUT d 3A,
VIN - VOUT = 3V
SP1085-3.3,
0mA d IOUT d 3A,
VIN - VOUT = 3V
SP1085-5.0,
0mA d IOUT d 3A,
VIN - VOUT = 3V
IO = 3A, 'VREF, 'VOUT = 1%
ILIMIT VIN - VOUT = 3V,
VIN = 10V (SP1085-ADJ)
VIN = 10V (SP1085)
fRIPPLE = 120Hz, COUT = 25PF Tantalum,
IOUT = 3A, VIN - VOUT = 3V
VIN = 4.25V, IOUT = 10mA
10mA dIOUT dA,
1.5V d VIN -VOUT d 6V
TA = 125oC, 1000Hrs
IOUT = 10mA, VIN - VOUT = 1.5V
TA = 25oC, 10Hz d f d 10kHz
TJC
TO-263
TO-220
TO-252
Min
3.2
60
Typ Max Unit
0.5 10 mV
1 10
0.1 0.3 %
0.2 0.4
3 15 mV
7 20
3 15 mV
7 20
3 15 mV
7 20
3 15 mV
7 20
3 15 mV
7 20
5 20 mV
10 35
1.3 1.5
V
4.5 A
3 10 mA
5 10 mA
72 dB
55 120 PA
0.2 5 PA
0.5
0.5
0.003
3
3
4
%
%
%
oC / W
Date: 7/24/06 Rev H
SP1085 3A Low Dropout Linear Regulator
© 2006 Sipex Corporation
5 Page 
mechanical Dimensions
to-220
Package: 3 pin TO-220
Unit: mm(inch)
.660(0.380)
0.660(0.420)
¶3.560(0.40)
4.060(0.60)
2.580(0.02)
3.380(0.33)
¶.500(0.05)
.60(0.046)
.760(0.06)
60e
0.83(0.032)
60e
2.540(0.00)
0.38(0.05)
3e
8.763(0.345)
0.38(0.05)
2.540(0.00)
0.550(0.022)
.350(0.053)
0.200(0.008)
7e
3.560(0.40)
4.820(0.0)
2.080(0.082)
2.880(0.3)
7e
0.356(0.04)
0.406(0.06)
Date: 7/24/06 Rev H
SP1085 3A Low Dropout Linear Regulator
11
© 2006 Sipex Corporation
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet SP1085.PDF ] | |
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